Home / 21,230.04-31,799.72-16,176.25

Finding the Fourth Proportional to 21,230.04, 31,799.72 and 16,176.25

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Solution

The fourth proportional to 21,230.04, 31,799.72 and 16,176.25 is: 24,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,230.04 : 31,799.72 = 16,176.25 : x
  2. Step 2: Convert to fraction form
    21,230.04/31,799.72 = 16,176.25/x
  3. Step 3: Cross multiply
    21,230.04x = 31,799.72 × 16,176.25
  4. Step 4: Simplify right side
    21,230.04x = 514,400,211.40
  5. Step 5: Solve for x
    x = 514,400,211.40/21,230.04
  6. Step 6: Final answer
    x = 24,229.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.